Calibration Mix #1, 200µg/ml in MeOH, 1ml

Pentafluorobenzoyl chloride, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 2251-50-5

Fluorescein disodium salt dihydrate, 90%,neat,neat,100g,

Methyl acetate, 5ml